When Paul returned to taking full responsibility for his patients in Part 2, Section 2, how did he feel and how long did it take him to get used to the work load?

When Paul first began fully caring for his patients, the first two days he battled waves of nausea, pain, and fatigue. In down moments he had to retreat to an unused bed. By the third day, he had begun to enjoy the work again, even though it was wrecking havoc on his body.